Added selenium-launcher for local testing
Download and launch selenium server for local testing
Add autoInstall to Gruntfile and docs
Merge branch 'local' of github.com:ChrisWren/grunt-mocha-webdriver into ChrisWren-local
Kill selenium server after run, and run local tests in parallel
Merge branch 'local' of github.com:ChrisWren/grunt-mocha-webdriver into ChrisWren-local
Pulling in a few final changes from @ChrisWren